package com.fallsvc.re.javasesets.jdk17;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * @auther falls_vc
 * description:
 * @date 2025/10/25  21:13
 */
public class Demo2 {
    public static void main1(String[] args) {
        var name = 10;
        name += 1;
        System.out.println(name);

    }
    public static void main(String[] args) {
        Map<String, List<Map<Integer, String>>> complexMap = new HashMap<String,
                        List<Map<Integer, String>>>();
        var complexMap2 = new HashMap<String, List<Map<Integer, String>>>();
        complexMap2.put("str",null);
        System.out.println(complexMap2.get("str"));
        System.out.println(complexMap2.get(1));
    }
}
